20-member group of divers carries the air for 15 hours of diving. 4 members of the expedition sick or wasn't came. How many hours is sufficient air to other divers?
Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this verbal math problem are needed these knowledge from mathematics:
Next similar math problems:
- Divide money
Divide 1200 USD at a ratio of 1:2:3:4:5:6:9:10
At the building, we divided 240 boards into two piles in a 5: 3 ratio. How many were fewer boards in the lower pile?
1 mason casts 30.8 meters square in 8 hours. How long casts 4 masons 178 meters square?
- Ratio 11
Simplify this ratio 10 : 1/4
Write the mixed number as an improper fraction. 166 2/3
- Cupcakes 2
Susi has 25 cupcakes. She gives 4/5. How much does she have left?
15 painters painted fence for 280 minutes. For how many minutes paint half of this fence 12 painters?
Find how many donuts each student will receive if you share 126 donuts in a ratio of 1:5:8
John, Teresa, Daniel and Paul have summary 56 years. Their ages are in a ratio of 1:2:5:6. Determine how many years have each of them.
Teacher Rem bought 360 pieces of cupcakes for the outreach program of their school. 5/9 of the cupcakes were chocolate flavor and 1/4 wete pandan flavor and the rest were a vanilla flavor. How much more pandan flavor cupcakes than vanilla flavor?
If it takes 20 minutes to run a batch of 100 pills how many minutes would it take to run a batch of 50 pills
- Report 2
A School reports students to teacher ratio of 6:1. If there are 45 teachers in the School, how many students are there?
- Pizza 4
Marcus ate half pizza on monday night. He than ate one third of the remaining pizza on Tuesday. Which of the following expressions show how much pizza marcus ate in total?
- Fraction and a decimal
Write as a fraction and a decimal. One and two plus three and five hundredths
Zdeněk picked up 15 l of water from a 100-liter full-water barrel. Write a fraction of what part of Zdeněk's water he picked.
Gryffindor won 437 points. How many points obtained by each of the faculties if they were split at a ratio of 5: 7: 3: 4?
Steel pipe has a length 2.5 meters. About how many decimetres is 1/3 less than 4/8 of this steel pipe?